Firmware is resolution-specific. If you install 1080p software on a 720p screen, you will get a distorted or black display.
Use this method if your TV UI works but you want to upgrade or fix bugs. cvte msd338 512m smart tv update download
The CVTE MSD338 (512M) is one of the most widely used universal smart TV mainboards in the budget electronics market. Manufactured by CVTE (Guangzhou Shirui Electronics), this board powers dozens of local and regional TV brands globally. If your smart TV is stuck on the boot loop logo, running slowly, or experiencing software glitches, installing a fresh firmware update can restore your device to perfect working order. Firmware is resolution-specific
The firmware you downloaded was configured for a different LCD panel. You can fix this by entering the hidden service factory menu. Press Source / Input + 2580 or Menu + 1147 on your remote control. Locate the Panel Settings submenu and toggle the Mirroring option to flip the screen, or adjust the LVDS TI Mode / Map to fix the color output. The CVTE MSD338 (512M) is one of the